Differences From Artifact [d808ad3525]:
- File
asn1-x509.c
— part of check-in
[a2ac84031e]
at
2010-05-17 19:37:43
on branch trunk
— Updated to support determining key size from X.509 object (untested)
Updated to set HW TOKEN flag
Updated to pad sign/decrypt message to key size (untested) (user: rkeene, size: 8088) [annotate] [blame] [check-ins using]
To Artifact [b4f2f9070a]:
- File
asn1-x509.c
— part of check-in
[ef50f6c143]
at
2010-05-20 23:45:53
on branch trunk
— Corrected unpadding
Changed label to be generated, rather than derived from card
Added support for reading the modulus and exponent from an X.509 certificate
Added additional attributes (user: rkeene, size: 9503) [annotate] [blame] [check-ins using]
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if (outbuf) {
*outbuf = x509.serial_number.asn1rep;
}
return(x509.serial_number.asn1rep_len);
}
ssize_t x509_to_modulus(void *x509_der_buf, size_t x509_der_buf_len, void **outbuf) {
struct asn1_object null, pubkey, modulus, exponent;
struct x509_object x509;
int read_ret;
read_ret = asn1_x509_read_object(x509_der_buf, x509_der_buf_len, &x509);
if (read_ret != 0) {
return(-1);
}
/* The structure of "pubkey" is specified in PKCS #1 */
read_ret = asn1_x509_read_asn1_object(x509.pubkey.contents, x509.pubkey.size, &null, &pubkey, NULL);
if (read_ret != 0) {
return(-1);
}
read_ret = asn1_x509_read_asn1_object(pubkey.contents, pubkey.size, &modulus, &exponent, NULL);
if (read_ret != 0) {
return(-1);
}
if (outbuf) {
*outbuf = modulus.contents;
}
return(modulus.size);
}
ssize_t x509_to_exponent(void *x509_der_buf, size_t x509_der_buf_len, void **outbuf) {
struct asn1_object null, pubkey, modulus, exponent;
struct x509_object x509;
int read_ret;
read_ret = asn1_x509_read_object(x509_der_buf, x509_der_buf_len, &x509);
if (read_ret != 0) {
return(-1);
}
/* The structure of "pubkey" is specified in PKCS #1 */
read_ret = asn1_x509_read_asn1_object(x509.pubkey.contents, x509.pubkey.size, &null, &pubkey, NULL);
if (read_ret != 0) {
return(-1);
}
read_ret = asn1_x509_read_asn1_object(pubkey.contents, pubkey.size, &modulus, &exponent, NULL);
if (read_ret != 0) {
return(-1);
}
if (outbuf) {
*outbuf = exponent.contents;
}
return(exponent.size);
}
ssize_t x509_to_keysize(void *x509_der_buf, size_t x509_der_buf_len) {
struct asn1_object null, pubkey, modulus, exponent;
struct x509_object x509;
int read_ret;
read_ret = asn1_x509_read_object(x509_der_buf, x509_der_buf_len, &x509);
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